🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.53 AU - 0.77 AU

Year: 202 Days

Day: 47.6 Hours

Environment

Temp: 109 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 74,510,521 km

• M1: 72,555 km (0.067 R)
• M2: 192,383 km (0.037 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.91 AU - 0.95 AU

Year: 345 Days

Day: 46.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 10.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.21 AU - 2.59 AU

Year: 1431 Days

Day: 47.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.5

Radius: 9.5

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.16 AU - 5.14 AU

Year: 3255 Days

Day: 12.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,510,521 km

• M1: 118,182 km (0.099 R)
• M2: 802,144 km (0.092 R)
• M3: 1,105,079 km (0.063 R)
• M4: 1,918,742 km (0.111 R)
• M5: 3,740,096 km (0.109 R)
• M6: 4,568,270 km (0.074 R)
• M7: 5,217,375 km (0.094 R)
• M8: 5,666,319 km (0.096 R)
• M9: 6,060,060 km (0.115 R)
• M10: 7,568,156 km (0.108 R)
• M11: 7,884,705 km (0.081 R)
• M12: 9,133,698 km (0.091 R)
• M13: 10,011,538 km (0.112 R)
• M14: 10,984,672 km (0.047 R)
• M15: 11,891,984 km (0.11 R)
• M16: 12,234,114 km (0.108 R)
• M17: 12,670,940 km (0.086 R)
• M18: 13,761,957 km (0.095 R)
• M19: 14,620,350 km (0.108 R)
• M20: 15,062,710 km (0.118 R)
• M21: 16,549,414 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.8

Radius: 14.4

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.03 AU - 10.15 AU

Year: 11434 Days

Day: 6.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,510,521 km

• M1: 179,069 km (0.065 R)
• M2: 630,555 km (0.064 R)
• M3: 1,463,815 km (0.11 R)
• M4: 2,698,895 km (0.115 R)
• M5: 3,273,052 km (0.117 R)
• M6: 4,392,941 km (0.072 R)
• M7: 6,554,032 km (0.045 R)
• M8: 7,867,801 km (0.117 R)
• M9: 8,563,581 km (0.111 R)
• M10: 9,606,278 km (0.053 R)
• M11: 11,298,379 km (0.068 R)
• M12: 11,765,723 km (0.061 R)
• M13: 12,429,339 km (0.11 R)
• M14: 14,503,065 km (0.09 R)
• M15: 21,206,246 km (0.111 R)
• M16: 22,372,511 km (0.094 R)
• M17: 23,204,724 km (0.071 R)
• M18: 23,770,952 km (0.079 R)
• M19: 24,346,305 km (0.077 R)
• M20: 29,399,273 km (0.092 R)
• M21: 30,622,834 km (0.095 R)
• M22: 35,111,667 km (0.077 R)
• M23: 42,359,086 km (0.098 R)
• M24: 42,922,023 km (0.077 R)
• M25: 46,256,858 km (0.079 R)
• M26: 57,121,254 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.4

Radius: 10.9

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.98 AU - 10.98 AU

Year: 12138 Days

Day: 6.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,510,521 km

• M1: 135,536 km (0.12 R)
• M2: 565,779 km (0.113 R)
• M3: 978,071 km (0.101 R)
• M4: 1,795,025 km (0.115 R)
• M5: 2,250,999 km (0.1 R)
• M6: 2,707,871 km (0.053 R)
• M7: 3,268,713 km (0.062 R)
• M8: 4,003,389 km (0.115 R)
• M9: 4,410,145 km (0.055 R)
• M10: 6,155,504 km (0.042 R)
• M11: 6,629,729 km (0.114 R)
• M12: 7,499,341 km (0.066 R)
• M13: 8,280,691 km (0.088 R)
• M14: 8,775,112 km (0.118 R)
• M15: 9,376,645 km (0.066 R)
• M16: 10,283,507 km (0.058 R)
• M17: 14,980,132 km (0.097 R)
• M18: 15,965,384 km (0.081 R)
• M19: 17,323,284 km (0.103 R)
• M20: 18,133,057 km (0.117 R)
• M21: 18,686,719 km (0.083 R)
• M22: 19,466,573 km (0.096 R)
• M23: 19,974,009 km (0.115 R)
• M24: 32,373,727 km (0.076 R)
• M25: 33,913,388 km (0.105 R)
• M26: 35,824,950 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.5

Radius: 5.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 14.92 AU - 18.54 AU

Year: 26346 Days

Day: 18.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,510,521 km

• M1: 65,973 km (0.106 R)
• M2: 549,323 km (0.068 R)
• M3: 865,573 km (0.114 R)
• M4: 1,392,457 km (0.099 R)
• M5: 2,178,145 km (0.032 R)
• M6: 11,856,978 km (0.077 R)
• M7: 12,070,304 km (0.082 R)
• M8: 14,408,070 km (0.104 R)
• M9: 14,712,352 km (0.119 R)
• M10: 18,135,750 km (0.106 R)
• M11: 20,031,304 km (0.098 R)
• M12: 33,919,073 km (0.11 R)
• M13: 35,662,337 km (0.108 R)
• M14: 38,855,055 km (0.063 R)
• M15: 39,682,032 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.1

Radius: 5.4

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 17.19 AU - 19.59 AU

Year: 30363 Days

Day: 23.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,510,521 km

• M1: 67,169 km (0.066 R)
• M2: 318,344 km (0.104 R)
• M3: 501,302 km (0.108 R)
• M4: 776,413 km (0.092 R)
• M5: 1,345,633 km (0.107 R)
• M6: 1,808,638 km (0.091 R)
• M7: 2,694,108 km (0.077 R)
• M8: 3,124,052 km (0.106 R)
• M9: 3,992,917 km (0.08 R)
• M10: 6,068,886 km (0.108 R)
• M11: 12,117,876 km (0.049 R)
• M12: 13,708,999 km (0.118 R)
• M13: 17,895,047 km (0.104 R)
• M14: 23,371,376 km (0.072 R)
• M15: 23,994,750 km (0.044 R)
• M16: 26,598,801 km (0.054 R)
• M17: 27,164,131 km (0.094 R)
• M18: 27,622,050 km (0.083 R)
• M19: 29,867,963 km (0.112 R)
• M20: 34,853,761 km (0.096 R)
• M21: 35,940,739 km (0.116 R)
• M22: 39,923,184 km (0.117 R)
• M23: 42,020,396 km (0.116 R)
• M24: 45,462,793 km (0.093 R)
• M25: 46,270,472 km (0.101 R)
• M26: 47,417,289 km (0.083 R)
• M27: 50,281,191 km (0.074 R)
• M28: 51,842,992 km (0.118 R)
• M29: 63,490,832 km (0.078 R)
• M30: 64,702,725 km (0.067 R)
• M31: 69,918,454 km (0.093 R)
• M32: 74,287,460 km (0.077 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 19,636 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit